-- Need Help With Wireless --

Hello,
Hello,
Im having trouble setting up my computer and laptop to my wireless router which is the {Siemens Gigaset SE587 WLAN dsl} What happens is, i connect and load up my internet on the big computer, and that works fine, but when i connect to the internet on my laptop it does so, but keeps saying cannot display the page when i load up example google on internet explora... can anybody help me... it will be much appreichated if you could send me the answer if you know it to my email which is josh_anderson_1992@hotmail.co.uk

Thank you very much x